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ESPE 3m is a company that offers different family of cements. You may be referring to the resin cements like RelyX products which has different application requirements such as bonding or self-bonding depending on which product you select. I use a lot of glass ionomer cements such as FujiCem 2 for Zirconia. I prep for mechanical retention and do not rely on cements or bonding.

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ESPE 3m is a company that offers different family of cements. You may be referring to the resin cements like RelyX products which has different application requirements such as bonding or self-bonding depending on which product you select. I use a lot of glass ionomer cements such as FujiCem 2 for Zirconia. I prep for mechanical retention and do not rely on cements or bonding.

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I understand. The dentist did not use light curing and just had me bite down on a cotton roll - and then removed the excess. He said its ESPE 3M, but didn't specify which.
Makes sense there was no curing?

It almost doesn't matter what you glue a zirc crown with as the cement doesn't truly bond to the zirc anyway. I personally use RelyX as a general lute for ceramics. I have seen an article from Dr Christensen who says even zinc phosphate will do just fine, and may even be preferable if the grip of the crown is good.

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